Question

23. If x=2 and x= 0 are zeroes of the polynomial 2x - 5x²+ px + b, then find the value of p
and b.
24. Simplify and factorise (a + b + c)2 - a - b -c)+4b2 - 4c.
25. If a + b +c=6 and ab + bc + ca = 11, find the value of a + b3 + c'- 3abc.
26. The polynomial bx + 3x - 3 and 2x - 5x + b when divided by x - 4 leave the
remainders R1 and R2 respectively. Find the value of b if 2R1 - R2 = 0.​

Answer 1

solution of 23

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