Question

1. Evaluate the following using the identities:-
$( {a + b})^{2} = {a}^{2} + 2ab + {b}^{2}$
$a) \: {502}^{2}$
$b) \: {9.5}^{2}$
$c) \: ( {4 \frac{1}{8} })^{2}$
2. Evaluate the following using the identity:-
$({a - b})^{2} = {a}^{2} - 2ab + {b}^{2}$
$a) \: ( {x}^{2} - { \frac{1}{ {x}^{2} }) }^{2}$
$b) \: ({296})^{2}$
$c) \: ({1999})^{2}$



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Answer 1

Answer:

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