if 1 and - 1are zeroes of polynomial Lx4+Mx2+Nx2+P, show that L+N+P=M+R =0
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Lx4 + Mx3 + Nx2 + Rx + p = p(x)
p(-1)=0 (as -1 is a zero)
L(-1)^4 + M(-1)^3 + N(-1)^2 + R(-1) + P = 0
L - M + N - R + P =0
L+N+P=M+R
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p(-1)=0 (as -1 is a zero)
L(-1)^4 + M(-1)^3 + N(-1)^2 + R(-1) + P = 0
L - M + N - R + P =0
L+N+P=M+R
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