simplify 4th root of 81-8 into3 rd root of 216+15 into 5 th root of 32+root 225
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1) 4th root of 81 = (81) ^1/4= (3^4) ^1/4= 3
2) 8 * 3rd root of 216 = 8 * ∛216 = 8 *∛6³ = 8*6 =48
3)15 into 5th root 0f 32 = 15 * (32)^1/5 = 15 * (2^5) ^1/5 = 15 * 2=30
4)√225 = √15*15 = 15
therefore
3 - 48 +30 +15
= 48-48
=0
2) 8 * 3rd root of 216 = 8 * ∛216 = 8 *∛6³ = 8*6 =48
3)15 into 5th root 0f 32 = 15 * (32)^1/5 = 15 * (2^5) ^1/5 = 15 * 2=30
4)√225 = √15*15 = 15
therefore
3 - 48 +30 +15
= 48-48
=0
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