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Q
If P(x) = ax4+ bx3+ cx2+ dx+ e has roots at x = 1, 2, 3, 4 and P(0) = 48, what is P(5) ?
Solution
P(x) = k(x − 1)(x − 2)(x − 3)(x − 4)P(0) = k(0 − 1)(0 − 2)(0 − 3)(0 −...
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If m and n are roots of equation ax2 + bx + c then,ax2 + bx + c = k(x − m)(x − n) where k = 1,2,3.....Similarly:If l, m...
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