Question

hey plz tell me the Answer for exercise 2.5 question no. 14 class 9th maths ​

Answer 1

1. (-12)³+(7)³+(5)³

Here,a=-12,b=7,c=5

Now, a+b+c=-12+7+5=0

3abc=3×(-12)×7×5

= -1260.

2.(28)³+(-15)³+(-13)³

Here,a=28,b=-15,c=-13

Now,a+b+c=28-15-13=0

3abc=3×28×(-15)×(-13)

= 16380.

hope it help u....✌✌