97 × 98 evaluate using sutaible identity
Answers
Answered by
0
Answer:
9506
Step-by-step explanation:
97 × 98
(100 - 3)(100 - 2)
by using identity (X+a)(X+b) = x² + (a+b)x + ab
100² + (-3-2)100 + (-3)(-2)
10000 - 500 + 6
9500+6
9506
hope so it help
Similar questions