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In the 10th term of (x+y)^(n), the expon...

In the 10th term of `(x+y)^(n)`, the exponent of x is 3, then the exponent of x in the 7th term is __________

A

1

B

7

C

5

D

9

Text Solution

Verified by Experts

The correct Answer is:
B
As we go from left to right the eponent of y in the epansion of `(x+y)^(n)`n increases .
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PEARSON IIT JEE FOUNDATION-MATHEMATICAL INDUCTION AND BIONOMIAL THEOREM-LEVEL 1
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  17. The coeeficient of x^(4) in the exapnsion of (4x^(2)+(3))/(x))^(8) is

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  19. The number of terms in the expansion of [(2x+3y)^(4)(4x-6y)^(4)]^(9) i...

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