Manipur Board Solutions for Chapter: Polynomials, Exercise 4: EXERCISE 2.4

Find the L.C.M. of the following polynomials :
$5{(x-y)}^2, 10(x^2-y^2) \& 15{(x+y)}^2$

Find the H.C.F. and L.C.M. of the following polynomials :
$2x^2-8 \& 5x^2-20x+20$

Find the L.C.M. of the following polynomials :
$(x^2-4)(x^2+5x+6), {(x+3)}^2(2x^2+x-6) \& 4x^2-12x+9$

Find the H.C.F. and L.C.M. of the following polynomials :
$a^2-ab-2b^2 \& a^3-a^{2}b-4a{b}^2+4b^3$

Find the H.C.F. and L.C.M. of the following polynomials :
$(a^3-b^3){(a+b)}^2, a^4-b^4 and 3a^4+2a^{3}b-5a^2{b}^2$

Find the H.C.F. and L.C.M. of the following polynomials :
$3(x^2+2x-8), 6(x^2+9x+20) and 15(x^2+x-12)$

Find the L.C.M. of the following polynomials :
${(2x-3)}^2(x^2+x-2), 4x^2-x-18 and 2x^2-9x+9$

Find the H.C.F. and L.C.M. of the following polynomials :
$5x^3{y}^2 \& 10x^2{y}^4$