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Most Important Selected Qs for JEE AdvancedMathematicsBinomial Theorem

If term independent of x in the expansion of (x^2- 3 x )^6 is 3^5 , then find the value of .

Correct answer

5

Step-by-step solution

aligned T_ r+1 & = ^6 C_r (x^2 )^ 6-r ( -3 x )^r 12-3 r & =0 r r & =4 T₅ & = ^6 C₄ (-3)^4 5 3^5 aligned

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