Find `a` and `b`, when `(2a+b,11)=(1,a-3b).`

Find a and b when (a-2b,13)=(7,2a-3b).

Find a and b , when (a-1,b+5)=(2,3) .

Find the values of a and b, when: (i) (a+3,b-2)=(5,1) (ii) (a+b,2b-3)=(4,-5) (iii) ((a)/(3)+1,b-(1)/(3))=((5)/(3),(2)/(3)) (iv) (a-2,2b+1)=(b-1,a+2)

Find the value of a+b, if the points (2,a,3),(3,-5,b) and (-1,11,9) are collinear.

Find the product of (3a + 4b) and (3a - 4b) and verify it when a = -1 and b = 1 .

Find the value (a+b)(a-b) when a=3 & b=2 .

Find the value of 12a^2+2ab+b^2 and a^3-b^3 when a=1, b=3.

Let there are two positive integers a and b where a > .Now when a is divided by b remainder is 24 and when 2 a is divided by b remainder is 11. Find b.