evaluate 197 into 203 using suitable identity
Answers
Answered by
1
39991
Step-by-step explanation:
197 × 203
= (200-3) (200+3)
= a²-b²= (a+b) (a-b)
= 200²-3²= 40000-9
= 39991
Answered by
0
Answer:
203 × 197
- (200 + 3) (200 - 3) =
= (200)²-(3)²[(a - b) (a + b) = a² -
b²]
= 40000 - 9
= 39991
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