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How to find the value of 5C2 in chapter binomial their of class 11

Posted by Mayank Bhaijan 7 years, 11 months ago

CBSE > Class 11 > Mathematics

3 answers

Bhuvnesh Joshi 7 years, 11 months ago

The base formula for nCr is n!÷r!(n-r)! There4 5C2 =2!(5-2)! =5!÷2!*3!

Pruthvi Ganesh Goud 7 years, 11 months ago

5*4/2

Shivam Chaudhary 7 years, 11 months ago

5!÷2!×3!

ANSWER

I know that 2+2=4 , so my question is, Why 2+2=4 give reason.

Posted by Divyansh Kumar 4 years, 8 months ago

CBSE > Class 11 > Mathematics

1 answers

Sia ? 4 years, 8 months ago

ANSWER

How to find the value of 5C2

Posted by Mayank Bhaijan 7 years, 11 months ago

CBSE > Class 11 > Mathematics

1 answers

Gaurav Adhana 7 years, 11 months ago

5 factorial upon 2factorial ×3factorial

ANSWER

Find rth term of binomial expansion (x + 1/x )2r

Posted by Chintan Arora 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

The distance of point P(1,-3) from line 2y-3x-4=0 is ?

Posted by Astha Aggarwal 7 years, 11 months ago

CBSE > Class 11 > Mathematics

1 answers

Mayu G 7 years, 11 months ago

13\√13

ANSWER

Find 1+i/1-i ka square root

Posted by Taniya Thakur 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

What is the sum of the binomial coefficients in the expansion of (1+x)50

Posted by Avinash Kumar 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Find The Eguationof the line through the intersection of the line 2x + 3y - 4=0 and x-5y =7 that has its x-intercept equal to -4

Posted by Ritik Chauhan 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Find the equation of the line through the intersection of the lines 2x+3y-4=0 and x-5y=7 that has its x intercept equal to -4

Posted by Harsh Verma 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Differentiation of x cube by first principal

Posted by Priya Maheshwari 7 years, 11 months ago

CBSE > Class 11 > Mathematics

1 answers

Raman Gochar 7 years, 11 months ago

3xsquare

ANSWER

Find multiplicative inverse of 4-3i, in a+ib

Posted by Sagar Gm 7 years, 11 months ago

CBSE > Class 11 > Mathematics

2 answers

Avantika Kaushal 7 years, 11 months ago

4 upon 25 ➕ 3i upon 25

Mayu G 7 years, 11 months ago

4/25_3i/25

ANSWER

Find the length of the interval (6,12)?

Posted by Sagar Gm 7 years, 11 months ago

CBSE > Class 11 > Mathematics

1 answers

Gaurav Bansal 7 years, 11 months ago

12-6=6

ANSWER

A line is such that it's segments between the line 5x-y+4=0and 3x+4y-4=0 is bisected at the point (1,5).obtain it's equation

Posted by Yashika Pal 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Find the sum of 1+2+3........10000

Posted by Sonu Kumar 7 years, 11 months ago

CBSE > Class 11 > Mathematics

1 answers

Avantika Kaushal 7 years, 11 months ago

50005000

ANSWER

What is dl hospital rule

Posted by Lovesh Kumrawat 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

What is the formula for ectraction of set builder forn

Posted by Bhupendra Jaiswal 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

D/de(7x +5x+3e)

Posted by Sachin Rai 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Derivatives of trigonometric functions

Posted by Gaurav Dhingra 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

A ladder has rungs 25cm apart . The rungs decrease uniformly in length from 45cm at the bottom to 25cm at the top. If the top and bottom rungs are 5/2 m apart what is the length of the wood required for the rungs

Posted by Divya Sharma 7 years, 11 months ago

CBSE > Class 11 > Mathematics

1 answers

Monal Kapse 7 years, 11 months ago

Dist. Between 2 rungs =25 cm Total length = 5/2 m So convert cm into m =5/2* 100 = 250 m Lenght of 1st rung= 45 cm No. Of rungs are = 250/25+1 We will get = 11 Rung increase from 25 to 45. AP will be 25............ 45 a=25 , l = 45 , no. Of rungs=11 So, S=n/2(n+l) =11/2(45+25) =11/2(70) =385cm So length of wood required will be 385 cm for the rungs.

ANSWER

what is the value of cosec 10

Posted by Aditya Soni 7 years, 11 months ago

CBSE > Class 11 > Mathematics

2 answers

Dipayan Bose 7 years, 11 months ago

-1.83

Dipayan Bose 7 years, 11 months ago

6

ANSWER

Find the acute angle from given equation x+y=0 and y=0

Posted by Arslaan Panwar 7 years, 11 months ago

CBSE > Class 11 > Mathematics

1 answers

Sneh Yadav 7 years, 11 months ago

Sorry , but the angle is coming out to be obtuse??

ANSWER

What is de Morgan's law

Posted by Uttam Boss 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

What is the value of 0 times infinity. ?

Posted by Sunil Singhania 7 years, 11 months ago

CBSE > Class 11 > Mathematics

3 answers

Sunil Singhania 7 years, 11 months ago

But I think it is 1

Arnav Singh 7 years, 11 months ago

Offcurse it is zero

Kriti Jaiswal 7 years, 11 months ago

It is 0.

ANSWER

Lim x tends to 0 log(3-x)-log(3+x)/x?

Posted by Aryan Singla 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

What is meaning of "odds in favour /against?"

Posted by Manjeet Gujjar 7 years, 11 months ago

CBSE > Class 11 > Mathematics

1 answers

Punit Kumar 7 years, 11 months ago

It means that Cavour of odd number/other

ANSWER

Hlo mujhe kis ne yaad kiya ??

Posted by Khushi Selwatkar 7 years, 11 months ago

CBSE > Class 11 > Mathematics

1 answers

Raman Gochar 7 years, 11 months ago

Ji mene.. Bt apko kese pta lga ki mene apko yaad kiya...

ANSWER

From an external point p two tangent pa pb is drown of a circle center is o op is equal to diameter of a circle then prove that APB is equilateral triangle

Posted by Md Abrar 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Where r u Kartikey

Posted by Priyanka S 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Solve the following system graphically and name the vertices of the feasible region (solutions set) along with their coordinate. 3x-y<=10,X+y<=6,x-y<=2,x<=0,y<=0

Posted by V Sundresh 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

For any triangle ABC, prove that a cosA + b cosB + c cosC = 2a sinBsinC

Posted by Shivamani Aggarwal 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

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