If a, b, c, d be in H.P. then prove that `ab + bc+cd =3ad`
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Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If a, b, c, d be in H.P. then prove that `ab + bc+cd =3ad`
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