2.6. Subtract 7×2 + 2x – 1 from x3 – x2 + 2x -1.(a) 7x² + x3 – x(b) x + 7x² + 2x-1(c) x² – 8x²(d) None of these About the author Iris
Answer: (7×2+2x-1)-(x3-x2+2x-1) 7×2+2x-1-x3+x2-2x+1 -x3+8×2…this is final answer…so option d..is right Reply
Answer:
6) 7x²+2x-1
x³-x²+2x-1
(x³-x²+2x-1)-(7x²+2x-1)
x³-8x²
option c is the correct answer
Answer:
(7×2+2x-1)-(x3-x2+2x-1)
7×2+2x-1-x3+x2-2x+1
-x3+8×2…this is final answer…so
option d..is right