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zzz [600]
3 years ago
10

Question 3 . amaths really need help. calculus. reply quicky thanks

Mathematics
1 answer:
spin [16.1K]3 years ago
6 0
Hello,

1)
y=(2x-7)(x+5)^3

y'=2(x+5)^3+(2x-7)*3*(x+5)²
if x=4 then
y'=2*9^3+1*3*9²=1701

2)
y=(3x-2)/√(x+2)

y'=(3*√x+2 - (3x-2)/(2*√x+2))/(x+2)


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