The value of (5)³ – (4)³ is
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(5)³-(4)³=? 5×5×5-4×4×4 = 125-64= 61
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Step-by-step explanation:
a^3-b^3 = (a-b) (a^2-ab+b^2)
5^3-4^3 = (5-4) (5^2+5×4+4^2)
= (1) (25+20+16)
= 1 ×( 45+16)
= 1 × 61
= 61
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