" 20.Frind the value of "(2.3a^(6)b^(2))times(1.2a^(2)b^(2))" ,when "a=1" and "b=0.5" ."

Find the value of (2.3a^(5)b^(2)) xx(1.2 a^(2)b^(2)) when a = 1 and b = 0.5

Express each of the products as a monomials and verify the result in each case for x=1: Evaluate (2.3a^(5)b^(2))x(1.2a^(2)b^(2)) when a=1 and b=0.5

Find the value of (5a^6)\ xx\ (-10 a b^2)\ xx\ (-2. 1 a^2b^3)\ for \ a=1\ a n d\ b=1/2dot

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

What is the value of [(a^(-2)b^(3)) div (a^(1)b^(-1))] xx [(a^(2)b^(-4)) div (a^(-1)b^(2))] ?

3.If a+b=6 then find the value of 1/2a+1/2b

The value of {2/3-((-1)/3)}xx{(-1)/2+((-1)/2)} is a.-1 b.1 c. 1/6 d.2

If a=1/sqrt(10)(3i+k)" and "b=1/7(2i+3j-6k) , then the value of (2a-b).[(a times b) times (a+2b)] is