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Secondary 1 | Maths
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2017 O-Level Qns. Please help.
Date Posted: 3 years ago
Views: 154
perfect cube, index notation must be in multiple of 3
28k = 2² × 7 × k
Therefore, k = 2×7² = 98
So that 28k = 2³×7³
28k = 2² × 7 × k
Therefore, k = 2×7² = 98
So that 28k = 2³×7³
It should be multiple of 3 instead.
Multiple of 2 is for perfect square.
Multiple of 2 is for perfect square.
Ooops. . .. my error!
Thanks @j for highlight the mistake.
Answer edited.
Thanks @j for highlight the mistake.
Answer edited.
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Refer to comment for answer.
done
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Hi, answer as shown above.
Date Posted:
3 years ago
Hi. Thank you for the answer.
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