Factorise: Q2 i) 4p^2-9q^2 ii) 63a^2-112b^2 iii) 49x^2-36 iv) 16x^5-144x^3
10:23
Sample paper Maths MM: 60. 2/3 x+1=7/3 ii) square root 441iii)cube root.027iv) 90cm/1.5m ratio
9:45
Exercise 16.2 Q1 If 21y5 is a multiple of 9,y is digit find value? Q2 If 31z5 is multiple of 9 or 3
9:30
Exercise 15.2,15.3 plotting graphs and answer the questions class 8th
9:53
factorisation: p^2+6p-16, q^2-10q+21
11:12
Exercise 14.4 Find and correct the errors in mathematical statements Q7 -Q 21 class 8th
8:10
Ex 14.3 Q5 vi) 12xy(9x^2-16y^2) ÷4xy(3x+4y) vii) Exercise 14.4 Find and correct the errors in state
8:19
Factorisation:Q4 i) a^4-b^4 ii) p^4-81 iii) x^4-(y+z) ^4
23:27