Q2 of 19 Page 59

Find the cube roots of the following numbers.

(1) 5832 (2) 4096


(1) ∵ 5832= 23 × 36 = 23 × (32)3 = (2 × 32)3 = (18)3


∴ ∛5832 = 18


(2) ∵ 4096 = 212 = (24)3 = (16)3


∴ √4096= 16


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1

Choose the correct alternative answer for each of the following questions.

Read the following statements and choose the correct alternative from those given below them.


(i) Diagonals of a rectangle are perpendicular bisectors of each other.


(ii) Diagonals of a rhombus are perpendicular bisectors of each other.


(iii) Diagonals of a parallelogram are perpendicular bisectors of each other.


(iv) Diagonals of a kite bisect each other.


 1 C

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3

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(2) x when y = 18