If in the expansion of (1+x)^m(1-x)^n th...

If in the expansion of `(1+x)^m(1-x)^n` the coefficients of x and `x^2 and 3 and -6 respectivly then m is (A) 6 (B) 9 (C) 12 (D) 24

If in the expansion of (1+x)^m(1-x)^n the coefficients of x and x^2 an...
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If in the expansion of (1+x)^(m)(1-x)^(n), the coefficients of x and x...
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The coefficient of X^24in the expansion of (1+X^2 )^12(1+X^12)(1+X^24)
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If in the expansion f (1+x)^m(1-x)^n, the coefficient of x and x^2 are...
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If in the expansion of (1+x)^m(1-x)^n the coefficients of x and x^2 an...
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if in the expansion of (1+x)^m (1-x)^n the cofficients of x and x^2 ar...
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If in the expansion of (1+ x )^(m) (1-x) ^(n) the coefficient of x and...
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If in the expansion of (1 +x)^(m) (1 - x)^(n) , the coefficients ...
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The coefficient of x^24 in the expansion of (1+x^2)^(12) (1+x^12)(1+x^...
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