Prove that V81 – 8 V216 + 15 V32 + V225 = 0
Answers
Answered by
4
Answer:
24 - 48√6 + 60√2
Step-by-step explanation:
√81 – 8 √216 + 15 √32 + √225 =
9 - 8√36*6 + 15√16*2 + 15 =
24 - 48√6 + 60√2
Answered by
2
Answer:
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Step-by-step explanation:
4
81
−8
3
216
+15
5
32
+
225
=(3
4
)
4
1
−8(6
3
)
3
1
+15(2
5
)
5
1
+15
=3−8×6+15×2+15
=3−48+30+15
=48−48
=0
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