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1. Ifx-2,y-4, find the(a) x+4y(e) x3-y3+y2(i) x2y22. Ifx-1,y=2 and z=:

Answer»

(a) 2+4*4=18.

(e) 2cube - 4cube + 4square =8-64+16=8-48=-40.

(i) 2square*4square=4*16=64

differentiation with respect x formula



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