Question

Solve the following.
11. Is 7x6x5x4x3x2x1+7 a composite number? Justify your answer.
12. Find a quadratic polynomial whose zeroes are 2 and 3.
13. For what value of k, the pair of linear equations 4x+6y-1=0 and 2x+ky-7=0​

Answer 1

Answer:

alpha=2,beta=3

12. required poly.=x-(alpha+beta)x + aplha × beta

=x-(2+3)x+2×3

= x-5x+6

hope it helps...!!!