Question

(if m 3 and n=2 find the value of
1) 9 m 2 - 10 n 2
2) m" n - n " m​

Answer 1

Answer:

1)14

2)3"0"3

Step-by-step explanation:

given-n=2 and m=3

therefore ,

sum no.1

9m2-10n2

=9×3×2-10×2×2

=54-40

=14

sum no.2

m"n-n"m

=3"2-2"3

=3"0"3