Nilai (lim x-> -2) x²-8x+15/(x²+7x+10)(x-3)

jawab


limit( x-> -2) (x² - 8x + 15) / (x²  + 7x +10)(x - 3)
substitusika x= - 2
= (-2)² -8(-2) + 15 )  / (-2)² +7(-2) + 10)(-2 - 3)
= (4 +16 +15)/ ( 4 -14+10)(-5)
=   35 / (0)(-5)
= ∞