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Find the three term of AP whose sum is 3 and product is 8 |
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Answer» Let three are in AP are a-d,a,a+d.ATQ-a-d+a+a+d=33a=3a=1 -eq-1(a-d)*a*(a+d)=8Put a=1(1-d)*1*(1+d)=8(1-d)(1+d)=81-d sq.=8d=+- √7Hence,1-√7,1,1+√7 1 , (1+√7) and (1-√7) Or 1,1-√7,1-√7 1,1+√7,1+2√7 |
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