find using identities
138x138 - 62x62
‐-------------------------
76
Answers
Answered by
0
Step-by-step explanation:
the answer will be 15200
Answered by
0
Answer:
let 138 be A and 62 be B
then AXA-BXB
A²-B²
(A+B)(A-B)
(138+62)(138-62)
200X76
=15200
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