Question

11+(7a+4)
Who can solve it
With expalanation​

Answer 1

Answer:

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Answer 2

11+(7a+4)

Add 11 and 4 to get 15.

d/da (15+7a)

7x^{1-1}

Subtract 1 from 1.

7x^{0}

For any term t except 0, t^{0}=1.

7x1 = 7

ans. 7