What should be added to a2 + 2ab to make it a complete square?

(a + b)2 = a2 + 2ab + b2In the above expression we have to add b2 to make it (a + b)2So A is the correct option.

Q1 of 59 Page 162

What should be added to a² + 2ab to make it a complete square?

(a + b)² = a² + 2ab + b²

In the above expression we have to add b² to make it (a + b)²

So A is the correct option.

The exponential form of a × a × a is:

Sum of two negative integers is:

What is the product of (x + 2)(x–3)?

The value of (7.2)² is (use an identity to expand)

Questions · 59

2. Algebraic Expressions

1 2 1 2 3 4 1 2 3 1 2 3 4 5 6 7 8 9 10 10 10 10 10 10 1 1 1 1 1 1 1 1 1 2 3 4 5 5 5 5 6 6 6 6 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20