Expand: 58³✍✍✍✍✍✍✍✍✍✍✍✍✍✍✍✍
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3
58³ = 58 × 58 × 58
= 1,95,112 is the answer
Answered by
3
Expand 58^3
58)^3 =(60 – 2)^3
(60 – 2)^3 =(60)^3 – [ 3 ×(60)^2 × 2 ] + [ 3 ×(60)×(2)^2 ] –(2)^3
{ ∵(a – b )^3 = a^3 – 3a^2b + 3ab^2 – b^3}
= 216000 – [ 3 × 3600 × 2 ] + [ 3 × 60 × 4 ] – 8
= 216000 – 21600 + 720 – 8
= 195112
PLZ MARK BRAINLIEST!!
58)^3 =(60 – 2)^3
(60 – 2)^3 =(60)^3 – [ 3 ×(60)^2 × 2 ] + [ 3 ×(60)×(2)^2 ] –(2)^3
{ ∵(a – b )^3 = a^3 – 3a^2b + 3ab^2 – b^3}
= 216000 – [ 3 × 3600 × 2 ] + [ 3 × 60 × 4 ] – 8
= 216000 – 21600 + 720 – 8
= 195112
PLZ MARK BRAINLIEST!!
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