`-2/5 xx 3/5` 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

5.2 - 3.6 is equal to

(2/3)^(-5) is equal to (a) ((-2)/3)^5 (b) (3/2)^5 (c) (2^-5)/3 (d) 2/(3^5)

(-6)xx(-5)xx0 is equal to

(-5)^(2)xx(-1)^(5) is equal to

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

1+1/4 + (1xx3)/(4xx8) + (1xx3xx5)/(4xx8xx12) + "….." is equal to

The number of 2xx2 matrices A with real entries, such that A+A^(T)=3I and A A^(T)=5I , is equal to

Using appropriate properties find. (i) - 2/5 xx 3/5 + 5/2 - 3/5 xx 1/6 (ii) 2/5 xx (-3/7) - 1/6 xx 3/2 + 1/14 xx 2/5