Question

n(a*b)=32 and A is a set of letters of word mathematics find n(b)

Answer 1

A = { m,a,t,h,e,i,c,s}

n(A) = 8

Given n(a*b) = 32

n(a*b)

=> n(A)*n(B ) = 32

8 * n(B) = 32

n(B) = 4

Answer 2

A=(m, a, t, h, e, i, c, s)
n(A) =8
Letn(b)=x
8x=32 then n(b) =4