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Find each of the following products: (...

Find each of the following products:
(i) `(x + 3) (x - 3)` (ii) `(2x + 5)(2x - 5)` (ii) `(8 + x)(8 - x)`
(iv) `(7x + 11y) (7x - 11y)` (v) `(5x^(2) + (3)/(4) y^(2)) (5x^(2) - (3)/(4) y^(2))` (vi) `((4x)/(5) - (5y)/(3)) ((4x)/(5) + (5y)/(3))`
(vii) `(x + (1)/(x)) (x - (1)/(x))` (viii) `((1)/(x) + (1)/(y)) ((1)/(x) - (1)/(y))` (ix) `(2a + (3)/(b)) (2a - (3)/(b))`

Text Solution

Verified by Experts

The correct Answer is:
(i) `(x^(2)-9)`
(ii) `(4x^(2)-25)`
(iii) `(64-x^(2))`
(iv) `49x^(2)-121y^(2)`
(v) `25x^(4)-(9)/(16)y^(4)`
(vi) `(16x^(2))/(25)-(25y^(2))/(9)`
(vii)`x^(2)-(1)/(x^(2))`
(viii) `(1)/(x^(2))-(1)/(y^(2))`
(ix) `4a^(2)-(9)/(b^(2))`
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