X-1,X+2,X-7 are in Ap , find the value for ?
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IF THEY ARE IN AP THEN,
2B = A + C
2 ( X + 2 ) =( X - 1 )( X - 7 )
2X + 4 = X ^2 - 7X - X + 7
2X + 4 = X ^2 - 8X + 7
YOU CAN SOLVE IT FURTHER EASILY
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Hi Alisha
I have solved ur sum
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