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Answer:
Q. 1 Draw a straight line.
Mark a point at the extreme left as 0.
Mark another points to the right of 0. Label them as 1, 2, 3,… The distance between these marks must be uniform. They are said to be at a unit distance from one another. This is what you have to follow
Q. 2 Pythagoras triplets are of the form. 2m, m² -1 and m² + 1. It is given that smallest number is 8. So, 2m = 8.
Q. 3 6 sides is regular hexagon.
Q. 4 If x3 = y, then 3√y = x. Thus, it is a reverse method of finding the cube of a number. Say, 'n' is the value obtained from 3√512, then n × n × n = n3 = 512 (as per the definition of cube). Since 512 is a perfect cube, we will use here the prime factorisation method, to get the cube root easily.
Q. 5 1. Subtract 3 from both sides of the equation
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Answer:
Draw a straight line.
Mark a point at the extreme left as 0.
Mark another points to the right of 0. Label them as 1, 2, 3,… The distance between these marks must be uniform. They are said to be at a unit distance from one another. That is what you have to follow .