Applying the formula (a + b)(a - b) = a2 - b2 on first two termsApplying the formula (a + b)(a - b) = a2 - b2 again

Q5 of 59 Page 162

Expand:

Applying the formula (a + b)(a - b) = a² - b² on first two terms

Applying the formula (a + b)(a - b) = a² - b² again

Expand:

(i) (2t + 5)(2t – 5);

(ii) (xy + 8)(xy – 8);

(iii) (2x + 3y)(2x – 3y).

Expand:

(n – 1)(n + 1)(n² + 1)

Expand:

(x – 1)(x + 1)(x² + 1)(x⁴ + 1)

Expand:

(2x – y)(2x + y)(4x² + y²)

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