Q71 of 142 Page 88

State whether the statements are true (T) or false (F).

If a2 ends in 9, then a3 ends in 7.

Given: a

Let us take an example:


(7)2 = 49 (ends in 9)


And (7)3 = 343 (doesn’t ends in 7)


Hence, the given statement is false.


More from this chapter

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69

State whether the statements are true (T) or false (F).

If x and y be natural numbers. If x divides y, then x3 divides y3.

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State whether the statements are true (T) or false (F).

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 72

State whether the statements are true (T) or false (F).

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 73

State whether the statements are true (T) or false (F).

Square root of a number x is denoted by .