Q. 25

# Find the coeffici

To find : coefficients of x7 and x8

Formula : Here, a=2, We have,   To get a coefficient of x7, we must have,

x7 = xr

• r = 7

Therefore, the coefficient of x7 And to get the coefficient of x8 we must have,

x8 = xr

• r = 8

Therefore, the coefficient of x8 Conclusion :

• coefficient of x7 • coefficient of x8 Rate this question :

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