evaluate (14^2-4^2) (20^2-2^2)
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ambika57:
evaluate 7.4 ×8.6 using special products plz
(8.0- 0.6) (8.0+0.6) =8.0^2 - 0.6^2 =64-0.36 = 63.64
thank you so much ,but where is 7.4
8.0-0.6=7.4
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