1. factor the expression 36a^4b^10-81a^16b^20 using the two different techniques listed for parts 1(a) and 1(b). (a) factor the given expression using the gcf monomial. (b) factor the given expression using the difference of squares

the expression given is :

→ factor of 36 = 2 ×2×3×3 ×a×a×a×a×b×b×b×b×b×b×b×b×b×b

→ factor of = 3 × 3×3×3 ×

common factor i.e g c f= 3 × 3 ×

                                            = 9

(b)

using [a² - b²= (a-b)(a+b)]

∡ eia and ∡ kij are congruent

step-by-step explanation: