23 7 If find fx 71235a 2 Solutionfx 7x235x2 Now we know i

2-3 #7

If $\"f(x)$ , find $\"f\'($ .

f(x) = (71.2-3)(5a, + 2)

f(x) = (7x²-3)(5x+2)
Now we know if f(x) =g(x)*h(x)
f \' (x) = g \' (x)h(x) + g(x)h \' (x)

Hence in this case
f \' (x) = (14x)(5x+2) + (7x²-3)(5) = 70x² + 28x +35x² -15 = 105x² + 28x - 15

$2-3 #7 If, find. f(x) = (71.2-3)(5a, + 2) Solutionf(x) = (7x2-3)(5x+2) Now we know if f(x) =g(x)*h(x) f \' (x) = g \' (x)h(x) + g(x)h \' (x) Hence in this case$

23 7 If find fx 71235a 2 Solutionfx 7x235x2 Now we know i

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