Find the product of the following:- a. (ab + cd) (ab - cd)
b. (x - 1) (x + 1) (x² + 1) (x⁴ + 1)
c. ( x + y/5 - 1 ) ( x + y/5 + 1 )​

ab^2 - cd ^2

x^8-1

(x+y)^2/24

Step-by-step explanation:

i hope it is helpful

30.5*10=350$

you have to multiply the number without the decimal point then add it later but if its tenn u must move the place value of the decimal point 1 to the right.