without actual calculating the cubesfind the value of (28)^3+(-15)^3+(-13)^3
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✨hey mate! here's your answer!✨
⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️
since, we know that, a³ + b³ + c³ = 3abc.
so,
(28)³ + (-15)³ + (-13)³
= 3(28)(-15)(-13)
= 84 × 195
= 163840 .........Ans.
⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️
hope it is helpful ✌️!
⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️
since, we know that, a³ + b³ + c³ = 3abc.
so,
(28)³ + (-15)³ + (-13)³
= 3(28)(-15)(-13)
= 84 × 195
= 163840 .........Ans.
⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️
hope it is helpful ✌️!
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