Question

2. is the side en the LM and LN of A MNP 3. If A ABC and A PQR are to be congruent name one additional pair of corresponding parts other than LA = LP, LB = LQ​

Answer 1

Let p(x)=x3+kx2−2x+k+4

As x+k is a factor

∴p(−k)=0

p(−k)=−k3+k3+2k+k+4⇒3k+4

As 3k+4=0

∴k=3−4