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The first and the last terms of an AP are a and l respectively. Show that the sum of nth term from the beginning and the nth term from the end is a + l

Posted by Rimakshi Bhadra 7 years, 10 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

find the equation of a circle with centre (3,-2) and radius 5.

Posted by Abhishek Singh Rajput 7 years, 10 months ago

CBSE > Class 11 > Mathematics

1 answers

Hardik Agarwal 7 years, 10 months ago

(x-3)2 +(y+2)2=25

ANSWER

Mangoes seeling at rs28 per kg last year this session they were selling at rs 40 per kg find its profit per cent

Posted by Aashish Nehra Nehra 7 years, 10 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

How to get theta in polar form

Posted by Navya Bawa 7 years, 10 months ago

CBSE > Class 11 > Mathematics

3 answers

Gaurav Sharma 7 years, 10 months ago

Sorry rain means here rsin theeta

Gaurav Sharma 7 years, 10 months ago

Compare rcostheeta and rain theeta and add squares after you get value of r and put this value in r cos theeta and rain theeta

Dhruv Bansal 7 years, 10 months ago

Firstly find r i.e.,modulus and then compare r cos theta and r sin theta u will get the value of theta

ANSWER

show that limit X tends to 1 fx exist whatever a maybe

Posted by Madhavi Gupta 7 years, 10 months ago

CBSE > Class 11 > Mathematics

1 answers

Shri Varshini 7 years, 10 months ago

No

ANSWER

,?Find the direction in which a straight line must be drawn through the points (- 1, 2) so that its point of intersection with the lines X + Y =4 maybe at the distance of 3 units from the point ???

Posted by Yo Yo Honey Singh ? 7 years, 10 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

X sin x

Posted by Sameer Singh 7 years, 10 months ago

CBSE > Class 11 > Mathematics

1 answers

Riya Modi 7 years, 10 months ago

By product rule, d/dx (X) (sin x) + (X) d/dx (sin x) 1 (sin x) + X (cos x) sinx + X cosx Ans.

ANSWER

X sun s

Posted by Sameer Singh 7 years, 10 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

What is probably

Posted by Sandeep Sharma 7 years, 10 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Sec square x

Posted by Imran Khan 7 years, 10 months ago

CBSE > Class 11 > Mathematics

2 answers

Pranesh Kumar 7 years, 10 months ago

What do you want to do ,if differentiation do it by chain rule

Riya Chaudhary 7 years, 10 months ago

Solved by chain rule

ANSWER

Sec8x-2/Sec4x-2

Posted by Shreya Dutta 7 years, 10 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Distance between two towns is 120 kilometre a bus moves from one town to second town with velocity 50 km /m and return to First town with 70km/m. Find average velocity of bus.

Posted by Deepti Patel 7 years, 10 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

What is the value of sin18°

Posted by Rizwan Choudhary 7 years, 10 months ago

CBSE > Class 11 > Mathematics

3 answers

Kumar Rahul 7 years, 10 months ago

√5-1/4

Rizwan Choudhary 7 years, 10 months ago

Let θ=18° 5θ=90° 2θ+3θ=90° Sin2θ=sin(90°-3θ) Sin2θ=cos3θ 2sinθcosθ=4cos(cube)θ-3cosθ 2sinθ=4cos(square)θ-3 2sinθ=4(1-sin(square)θ)-3 4sin(square)θ+2sinθ-1=0 (Sinθ=sin18°) Sin18°=-2+_under root 4+16÷2×4 Sin18°=under root 5-1÷4

Riya Chaudhary 7 years, 10 months ago

Can not be able to find

ANSWER

If two rows of a determinant are identical then what is the value of the determinant?

Posted by Rizwan Choudhary 7 years, 10 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

How many 4 digit number are there with no digit reapeted

Posted by Bhuvan Eshwari 7 years, 10 months ago

CBSE > Class 11 > Mathematics

4 answers

Kumar Rahul 7 years, 10 months ago

9×9×8×7 is right ans

Jaya Verma 7 years, 10 months ago

For thousand's place we have 10 choices For hundred 's place we have 9choices For ten's place we have 8choices For unit's place we have 7 choices => No. of 4 digit no. = 10×9×8×7 = 5040

Jaya Verma 7 years, 10 months ago

For unit's place we have 10 choices , For ten's place we have 9 choices , For hundred's place we have 8 choi

Rizwan Choudhary 7 years, 10 months ago

4×4×4×4=256

ANSWER

if a,b,c are G.P. ,prove that

Posted by Hunny Singh 7 years, 10 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

What is the mean of € this in function and relation chapter

Posted by Pratyush Pare 7 years, 10 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

for what value of m, the coefficient of (2m+1)th &(4m+5)th term in the expansion of (1+x) power 10 are equal

Posted by Vikash Rawat 7 years, 10 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Find derivative of limx tends to π sinx/x-π

Posted by Akhilesh Singh 7 years, 10 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

What are the real numbers of X and y , if ( x-iy)( 3+5i) is the conjugate of (-1-3i).

Posted by Istuti Goel 7 years, 10 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

1+1

Posted by Subhash Pariyar 7 years, 10 months ago

CBSE > Class 11 > Mathematics

1 answers

Manav Rathore 7 years, 10 months ago

Its 2 Nd if u want out of world answer than 11

ANSWER

Find the equation of ellipse whose Axis are along the co-ordinate Axes vertices are (+ - 5,0 )and focii at (+ - 4,0)

Posted by Ashutosh Kumar 7 years, 10 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

A box contains 10 balls of which just 3 are defective. if a random sample of 5 bulbs is drawn find the probability that the sample contains exactly 1 defective and no defectives

Posted by Ashutosh Kumar 7 years, 10 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Three netural number divide by 7

Posted by Banti Sharma 7 years, 10 months ago

CBSE > Class 11 > Mathematics

1 answers

Subhash Pariyar 7 years, 10 months ago

14

ANSWER

Lim x->0 f(x) and f(x)=0,if it exist where f(x) ={x/|x|, x is not equal to zero 0,x is equal to zero}

Posted by Moquaddam Hossain 7 years, 10 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Find equation of straight line parallel to 2x + 3y +11= 0 and sum of its intercepts on the axis is 15

Posted by Mahesh Kumar 7 years, 10 months ago

CBSE > Class 11 > Mathematics

1 answers

Soumya Dwivedi 7 years, 10 months ago

C= - 18

ANSWER

Find the number of permutation and combination of 4 letters taken from the word INSTITUTION ?

Posted by Ritesh Dansena 7 years, 10 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

adg;&4urine 8888

Posted by Santosh Sharma 7 years, 10 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

sin0sin10sin20sin30sin40sin50..............................sin360=?

Posted by Abhishek Bandwal 7 years, 10 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Solve the trigonometrical equation sin^2thita=sin^2alpha,for given alpha

Posted by Pawan Verma 7 years, 10 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

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