Question

(5 -3ab)^2=25 - _________+ 9a^2b^2 ​

Answer 1

Answer:

15ab

Step-by-step explanation:

(a-b) ^2=a^2+b^2-2ab

here,a=5

b=3ab

then, (5-3ab) ^2=5^2+(3ab) ^2-2*5**3ab

25+9a^2b^2-15ab

thus,the required number at the blank is 15ab

Answer 2

Answer:

picture is the answer to the question