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Y=(xsquare+4x+1)(√3)

Posted by Veer Thakur 7 years, 2 months ago

CBSE > Class 11 > Mathematics

0 answers

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Using binomial theorem prove 6^n-5n-1 is divisible by 25

Posted by Simar Kaur 7 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Ankit Aryan Shivan 7 years, 2 months ago

Ncert ,page no. 166. Ex -4. I think you understsnd .

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Sinx+cosy- g

Posted by Yogender Dubey 7 years, 2 months ago

CBSE > Class 11 > Mathematics

0 answers

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Show that the line x+1=0 is the tangent of hyperbole 4x2 -3y2=4 .

Posted by Manmohan Singh 7 years, 2 months ago

CBSE > Class 11 > Mathematics

0 answers

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Would u guys like to tell ur 11 experience wid rd sharma?

Posted by Arunima Devi 7 years, 3 months ago

CBSE > Class 11 > Mathematics

7 answers

Priya Dharshini ? 7 years, 2 months ago

R d sharma questions are good. But not solutions i would say.i use to solve exercise example and ncert exemplar questions which are marked in it. It is realy a good book and it is not possible to do whole book for me.... i am using rd sharma from 9

4Thank You

Harsh Mishra 7 years, 3 months ago

Yeah!!! I have also heard alot about R.D. Sharma even I had used it in 9th and 10th. But!!! In 11th , I never bothered to buy that Ramayana size book ?..... ? ???????????

2Thank You

Ankit Singh 7 years, 3 months ago

Good

2Thank You

Sunila Sharma 7 years, 3 months ago

Kaafi jayada question de Rekha ha, aur bhut kuch outside the syllabus me se bhi ha, ncert ke bhi kaafi question cover kare hua ha, nice book but insane to solve

2Thank You

Yakshi ? 7 years, 3 months ago

Of course......mainey toh book ka size dekhkar e reject kr diya usey........suna bhot hai uskey baarey mein......lekin......kabhi try nai kiya.....mujhey ncert aur apney teacher ka padhaya hua e sufficient lagta hai.....???

4Thank You

Aman Kumar 7 years, 3 months ago

Initially,.. quantity of question dekh k hi hallat kharab but one day I made my mind and solved more than 50-60 questions..after that I really like it..??

3Thank You

Ankit Singh 7 years, 3 months ago

Nice experience after solving rd Sharma

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Support material on exercise 10

Posted by Shaiful Khumra 7 years, 3 months ago

CBSE > Class 11 > Mathematics

0 answers

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vertices(7,0) e=4/5 find equation of hyperbola

Posted by Purvakshi 295 7 years, 3 months ago

CBSE > Class 11 > Mathematics

1 answers

Deepak Singh 7 years, 3 months ago

First value of a=7,16/25=1+b×b/49,b×b/49=-9/25,b=-21/5,hence the equation is x²/49-25y²/441=-1

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let f(x) be a function defined on [-1,1].If the distance between (0,0) and (x,f(x)) is 1 unit. what is the function f(x) ?

Posted by Anjali Kumari 7 years, 3 months ago

CBSE > Class 11 > Mathematics

1 answers

Ram Kushwah 7 years, 3 months ago

(x-0)^2+(f(x)-0)^2=1^2

x^2+(f(x))^2=1

f(x)=√1-x^2

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Find the general solution of sin3x+cos2x...???

Posted by Sidharth Kt 7 years, 3 months ago

CBSE > Class 11 > Mathematics

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What is structure of writing the problems of parabola

Posted by Jatin Choudhary 7 years, 3 months ago

CBSE > Class 11 > Mathematics

0 answers

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The polygon in which no. of diagonals is twice the no. of sides is .................

Posted by Ayush Raj 7 years, 3 months ago

CBSE > Class 11 > Mathematics

4 answers

Dev ..... 7 years, 3 months ago

Heptagon

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Vijay Tripathi 7 years, 3 months ago

???

1Thank You

Vijay Tripathi 7 years, 3 months ago

2Thank You

Vijay Tripathi 7 years, 3 months ago

Can u please tell the question is related to which chapter

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Xcos4x+cos3x+cos2x=sin4x+sin3x+sin2x solve this question please

Posted by Kalpna Shandil 7 years, 3 months ago

CBSE > Class 11 > Mathematics

0 answers

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What is siffrence vetwwen symetric and reflex

Posted by Kunal Mehta 7 years, 3 months ago

CBSE > Class 11 > Mathematics

0 answers

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(23+13)-0+333(-789+799)

Posted by Shivam Panwar 7 years, 3 months ago

CBSE > Class 11 > Mathematics

2 answers

Yogita Ingle 7 years, 3 months ago

(23 + 13) - 0 + 333 (-789 + 799)
= (23 + 13) - 0 + 333 (10)
= 36 + 3330
= 3366

1Thank You

Abdul Kalam 7 years, 3 months ago

-297

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If G be the centroid of the triangle ABC and O be any other point,prove that 3(GA^2+GB^2+GC^2)=BC^2+CA^2+AB^2 And. OA^2+OB^2+OC^2=GA^2+GB^2+GC^2+3GO^2

Posted by Vibhanshu Vishal 7 years, 3 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Ix-5I/x-5

Posted by Karan Yadav 7 years, 3 months ago

CBSE > Class 11 > Mathematics

2 answers

Dev ..... 7 years, 3 months ago

(5,infinity)

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Karan Yadav 7 years, 3 months ago

Find it domain

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Divide 63 into three parts such that they are in G.P and the product of the first and the second term is 3/4of the third term.

Posted by Shubham Kumar 7 years, 3 months ago

CBSE > Class 11 > Mathematics

1 answers

Vibhanshu Vishal 7 years, 3 months ago

Let three no be a/r,a,ar Then, a/r+a+ar=63. (I) And a/r×a=3/4×ar a/r=3/4×r a=3/4×r^2. (II) Putting (II) in (I) we get 3/4×r+3/4×r^2+3/4×r^3=63 r^3+r^2+r=84 r^3+r^2+r-84=0 On solving this equation we get r=4 and a=12 The required number is 3,12,48

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For maths which youtube channel is best?

Posted by Himanshu Shekhar 7 years, 3 months ago

CBSE > Class 11 > Mathematics

1 answers

Amit Kumar 7 years, 3 months ago

Maths for all

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Find the sum of the following series up to n terms: (1) 5+55+555+... (2) .6+.66+.666+... Please solve this question in simple

Posted by Narendra Sahu 7 years, 3 months ago

CBSE > Class 11 > Mathematics

3 answers

Ankit Singh 7 years, 3 months ago

Great answer

1Thank You

Yakshi ? 7 years, 3 months ago

Wait wait wait......i did not tell u something.....that is.......let (-1-1-1-1.....)=n and as u know sum of infinity.......as 10+10^2+10^3.......= [{10^(n+1) - 10} /9] -n........so.......ur answer will be......5/9[ {10^(n+1) - 10 -9n}/9]

2Thank You

Yakshi ? 7 years, 3 months ago

In first part......1) 5+55+555........u can take 5 as common then it will be = 5( 1+11+111....) = now....multiply and divide it by 9.....then u will get....(5/9){9+99+999.......} .....u can write 9 as (10-1) and 99 as (100-1) and so on......so .....it will be......(5/9){ 10-1 + 100-1 + 1000 -1............}......in this case there will be two parts...... in first one u will find sum of all the " 1" in this....and in second one u will write 100 as 10^2 ......1000 as 10^3...and so on then find sum of (10+10^2+10^3.......).......then u will get......

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If a and b are the roots x square - 3 x + b =0 and c,d are Roots of x square -12 x + q =0, where a,b,c,d from a GP. Prove that (q+p) : (q-p)=17:15.

Posted by Narendra Sahu 7 years, 3 months ago

CBSE > Class 11 > Mathematics

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Find equation of a circle passing through origin and making intercept to 2 and 3 on cook ordination Axis (0,0) (2, 0) (0,3)

Posted by Nikhil Yadav 7 years, 3 months ago

CBSE > Class 11 > Mathematics

0 answers

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What is the best channel for maths on YouTube?

Posted by Himanshu Shekhar 7 years, 3 months ago

CBSE > Class 11 > Mathematics

1 answers

Amit Kumar 7 years, 3 months ago

Maths for all

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Sinx*o/x if limit x tends to zero

Posted by Neha Singh 7 years, 3 months ago

CBSE > Class 11 > Mathematics

3 answers

Neha Singh 7 years, 3 months ago

It's answer is pi by 180

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Neha Singh 7 years, 3 months ago

yes

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Neha Gurjar 7 years, 3 months ago

If limit x tends to 0 the

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2/2=2 is what?

Posted by Neha Singh 7 years, 3 months ago

CBSE > Class 11 > Mathematics

7 answers

Amit Kumar 7 years, 3 months ago

Very ezee

1Thank You

Yakshi ? 7 years, 3 months ago

Neha i m serious ........when u will get solution plz....try to tell me this question is looking tricky......????

2Thank You

Neha Singh 7 years, 3 months ago

Please apply BODMAS rule

1Thank You

Ankit Singh 7 years, 3 months ago

??????

1Thank You

Ankit Singh 7 years, 3 months ago

Yes u are right yakshi

1Thank You

Yakshi ? 7 years, 3 months ago

Sorry i think this is out of our syllabus and don't know the reason.....???

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Yakshi ? 7 years, 3 months ago

???

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Why the range of f(x)=√(9-x^2) is [0,3] ? It should be [-3,3] because answer of root will be positive and negative both. help if u know

Posted by Dev ..... 7 years, 3 months ago

CBSE > Class 11 > Mathematics

1 answers

Aditya Sharma 7 years, 2 months ago

√9–x² Domain: 9–x² > 0 (3+x)(3–x)>0 Domain belongs to [–3,+3] RANGE: –3<x<+3 [0,3]

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Q. lim x→0 { log (1+x) – log a } / x

Posted by Aditya Sharma 7 years, 3 months ago

CBSE > Class 11 > Mathematics

0 answers

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What is the probability that two friends have same birthday?

Posted by Aasif Ansari 7 years, 3 months ago

CBSE > Class 11 > Mathematics

1 answers

Aditya Sharma 7 years, 3 months ago

1/365 is the very correct answer.............. For knowing the birthday of both the friends on same day, we need to multiply the probabilities, i.e., (365/365)×(1/365)

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Differentiate sin x^5

Posted by Nikhil Tyagi 7 years, 3 months ago

CBSE > Class 11 > Mathematics