SPM 2017 Add Maths Paper 1, Question 5Indices, Surds & Logarithms

Solved on video in English and Bahasa Melayu · 3 marks · Form 4, Indices, Surds & Logarithms · 3:27 video

The question

Given 25^(h+3) / 125^(p-1) = 1, express p in terms of h.

[3 marks]

Step 1

Rearranging, 25^(h+3) = 125^(p-1).

3 more steps, each with the reason for it, in the full solution

Final answer

p = (2h + 9)/3

Where students lose marks

Watch out: convert both 25 and 125 to base 5, and add 3 (not subtract) when moving −3: 6 + 3 = 9.

Watch every step of this question solved on video (3:27), with the reason behind each step and a box that checks your own answer.

No card. Every past-year question on video, in English and BM.

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