Advertisements
Advertisements
Question
If x = 1, y = 2 and z = 5, find the value of x3 − y3− z3
Sum
Advertisements
Solution
x3 − y3− z3
Substituting x = 1, y = 2 and z = 5 in the given expression:
x3 − y3− z3
= (1)3 − (2)3 − (5)3
= (1 × 1 × 1) − (2 × 2 × 2) − (5 × 5 × 5)
= 1 − 8 − 125
= 1 − 133
= −132
shaalaa.com
Is there an error in this question or solution?
