Question

21168=x4 *y3 * z 2
Then find out, (x+y+z)(y+z/x+y)

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Answer 1

Prime factors of 21168=( 2 to the power 4)*( 3 to the power 3 )* (7 to the power 2) Therefore x is 2, y is 3 and z is 7. x + y+ z= 12 X + y =5 Y+z =10 Required answer is 24

Answer 2

Factoring 21168, we get -
21168 = 2^4*3^3*7^2,
Therefore, (2+3+7)(3+7)/(2+3)
i.e. 12*10/5 = 24