Math, asked by tajinderkaur8631, 7 months ago

If the coefficients of x² and x³ in the expansion of (3 + ax)⁹
are the same, then the value of a, is
(a) -7/9 (b) -9/7 (c) 7/9 (d) 9/7

Answers

Answered by kittu34538

4

Answer:

option D............

Answered by frather52

0

Answer:

sorry I do not understand your question

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