`2/5 + 4/5 - 1/5` is equal to

-2/5 x 3/5 is equal to

5 n+2 −6 xx 5 n+1/13 xx 5 n − 2 *5 n+1 is equal to

The product 3 1/7xx1 5/6xx1 2/5xx1 1/(11) is equal to (a) 5 8/5 (b) 5 4/5 . (c) 8 4/5 (d) 4 4/5

If a curve y=f(x) passes through the point (1,-1) and satisfies the differential equation ,y(1+x y)dx""=x""dy , then f(-1/2) is equal to: (1) -2/5 (2) -4/5 (3) 2/5 (4) 4/5

2[(1)/(2x + 1) + (1)/(3(2x + 1)^(3)) + (1)/(5(2x + 1)^(5)) + (1)/(5(2x + 1)^(5)) + …] is equal to ,

((-1)/5)^3-:((-1)/5)^8 is equal to (a) (-1/5)^5 (b) (-1/5)^(11) (c) (-5)^5 (d) (1/5)^5

(3/4)^5-:(5/3)^5 is equal to (a) (3/4-:5/3)^5 (b) (3/4-:5/3)^1\ \ (c) (3/4-:5/3)^0 (d) (3/4-:5/3)^(10)

Let a_1, a_2, a_3, ?a_10 are in G.P. if a_3/a_1 =25 then a_9/a_5 is equal to (A) 5^4 (B) 4.5^4 (C) 4.5^3 (D) 5^3

Let a_1, a_2, a_3, ?a_10 are in G.P. if a_3/a_1 =25 then a_9/a_5 is equal to (A) 5^4 (B) 4.5^4 (C) 4.5^3 (D) 5^3

Find answers to the following. Write and indicate how you solved them. (a) Is 5/9 equal to 4/5 ? (b) is 9/16 equal to 5/9 ? (c) is 4/5 equal to 16/15 ? (d) is 1/15 equal to 4/30 ?