Q139
The value of (0.98)3 + (0.02)3 + 3 × 0.98 × 0.02 - 1 is :
A.
0
AnswerB.
1
C.
1.09
D.
1.98
Answer: Option A
Solution
Answer: Option A
Solution:
Given expression :[(0.98)3 + (0.02)3 + 3 × 0.98 × 0.02 (0.98 + 0.02)] - 1
= (0.98 + 0.02)3 - 1
= (1)3 - 1
= 0