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How do you write four times the sum of 2a and b increased by twice the sum of 6a and 2b?
Wiki User
∙ 12y ago
4(2a+b) + 2(6a+2b)
Working this out it is:
8a + 4b + 12a + 4b = 20a + 8b or 4(5a+2b).
Wiki User
∙ 12y ago
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How many times is the period of the pendulum increased or decreased when its length is increased four times?
Time period is directly proportional to the square root of the length So as we increase the length four times then period would increase by ./4 times ie 2 times.
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How many times is the period of the pendulum increased or decreased when its length is increased four times?
Time period is directly proportional to the square root of the length So as we increase the length four times then period would increase by ./4 times ie 2 times.
