A-b=3 and a3 -b3 =63 find a2+b2
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Answered by
2
Answer:
formula :- a3-b3 = (a-b) (a2+b2+ab)
63 = (3) (a2+b2 +ab)
63/3 = a2+b2+ab
21 = a2+b2+ab
21-ab = a2+b2
या, a2 + b2 = 21-ab answer
Answered by
0
Answer:
formula :- a3-b3 = (a-b) (a2+b2+ab)
63 = (3) (a2+b2 +ab)
63/3 = a2+b2+ab
21 = a2+b2+ab
21-ab = a2+b2
या, a2 + b2 = 21-ab answerAnswer:
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