Question mnDerS7. Find HCF and LCM of 90 and 144 by method of prime uu

1.	Question mnDerS7. Find HCF and LCM of 90 and 144 by method of prime uulAO19. The8Find the values of a and b for which the followingsolutions:pair of linear equations has infinitelyman(a + 1)u-2h-1:5r + (1-2a)v = 30.vol
Answer» 90 = 3 x 3 x 2 x 5. 144 = 2 x 2 x 2 x 2 x 3 x 3 H.C.F( 90, 144) = 2 x 3 x 3 = 18. L.C.M( 90, 144) = 2 x 2 x 2 x 2 x 3 x 3 x 5 = 720. give answer of question 8

Question mnDerS7. Find HCF and LCM of 90 and 144 by method of prime uulAO19. The8Find the values of a and b for which the followingsolutions:pair of linear equations has infinitelyman(a + 1)u-2h-1:5r + (1-2a)v = 30.vol

Answer»

90 = 3 x 3 x 2 x 5.

144 = 2 x 2 x 2 x 2 x 3 x 3

H.C.F( 90, 144) = 2 x 3 x 3 = 18.

L.C.M( 90, 144) = 2 x 2 x 2 x 2 x 3 x 3 x 5 = 720.

give answer of question 8