Question

Jika integral batas atas a dan batas bwah 0 ( x+1 ) dx sama dengan 12.tentuka nilai a

Answer 1

1/2 x^2 + x ] = 12
= (1/2 a^2 + a) - (1/2.0 + 0)= 12
= 1/2 a^2 + a = 12
= 1/2 a^2 + a -12 = 0
= a^2 + 2a - 24= 0
= (a+6) (a-4)
a = -6 atau a= 4

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