Math, asked by phanianindita3545, 9 months ago

If in the expansion of (1 + x)²⁰, the coefficients of rᵗʰ and
(r + 4)ᵗʰ terms are equal, then the value of r, is
(a) 7 (b) 8 (c) 9 (d) 10

Answers

Answered by kittu34538

7

Answer:

8..................

Answered by riddhi2692

1

Answer:

8. ................................

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