(x + y)(x - y)(x² + y²)(x⁴ + y⁴) is equal to:

1. x⁴ + y⁴

2. x⁸ + y⁸

3. x⁸ - y⁸

4. 2x⁶y⁶

The value of 102 x 98 is:

1. 6999

2. 6696

3. 9696

4. 9996

If 5a = 30² - 25², the value of a is:

1. 5

2. 11

3. 55

4. none of these

Statement 1: Cube of a binomial : (a - b)³ = a³ + 3a²b - 3ab² - b³

Statement 2: (a - b)² - (a + b)² = 4ab.

Which of the following options is correct?

1. Both the statements are true.

2. Both the statements are false.

3. Statement 1 is true, and statement 2 is false.

4. Statement 1 is false, and statement 2 is true.