21. Use suitable identity to find the product of 103x10
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Use suitable identities to find the following products:(i) (x + 4)(x + 10)
(ii) (x + 8)(x - 10)
(iii) (3x + 4)(3x - 5)
(iv) (y^2 + 3/2 ) (y^2 - 3/2 ) ...
Step-by-step explanation:
Evaluate the following products without multiplying directly: 103 × 10 103 × 10= ( 100 + 10) (100 + 3) Using Identity (x + a) (x + b) = x2 + ( a + ...
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