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If a,b,c,da,b,c,d are in Arithmetic progession (AP,) and a,c,da,c,d are in Geometric Progession (GP) then Prove that
a^2-d^2a2−d2 = 3(b^2-ad)3(b2−ad)
If
2 Answers
For,
Doing
Doing
And, for
L.H.S
Kindly refer to The Explanation.
Explanation:
Given that,
Similarly,
Then,
Also,
Utilising
Here, we use the fact that
Therefore,