If in the expansion f ${(1 + x)}^{m} {(1 - x)}^{n}, t h e c o e f f i c i e n t o f x and$ x^2 are 3 and -6 respectively then (A) m=9 (B) n=12 (C) m=12 (D) n=9

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Updated on:21/07/2023

Class 12 MATHS BINOMIAL THEOREM - FOR COMPETITION

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if in the expansion of ${(1 + x)}^{m} {(1 - x)}^{n}$ the cofficients of x and $x^{2}$ are 3 and -6 respectively then m is
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Question 1 - Select One
If in the expansion of ${(1 + x)}^{m} {(1 - x)}^{n}$ , the coefficients
of x and $x^{2}$ are 3 and - 6 respectively, the value of m and n are
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If in the expansion of ${(1 + x)}^{m} {(1 - x)}^{n}$ , the coefficients
of x and $x^{2}$ are 3 and - 6 respectively, the value of m and n are
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B9
C12
D24
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If in the expansion of ${(1 + x)}^{m} {(1 - x)}^{n}$ , the coefficients
of x and $x^{2}$ are 3 and - 6 respectively, the value of m and n are
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If in the expansion f ${(1 + x)}^{m} {(1 - x)}^{n}, t h e c o e f f i c i e n t o f x and$ x^2 are 3 and -6 respectively then (A) m=9 (B) n=12 (C) m=12 (D) n=9

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