Question

3. (i) For any integer a, what is (-1)x a equal to?
(ii) Determine the integer whose product with (-1) is
(a) -22
(b) 37
(c) 0​

Answer 1

$\huge{\mathbb{\fbox{\purple{Solution:}}}}$

$\tt\red{Q.1}$

Here,

$= - 1 \times a \\ = - a$

So, ( -1 )× a = -a

$\bf\pink{Q.2}$

a) -22 is the correct answer .

$\mathfrak\red{Step-by-Step \: explaination \: for \: Q.2:}$

Here,

-a have a minus (-) sign.

So ,in the following options only -22 = -a

And 37 and 0 are not equal to -a .

$\mathcal\green{Hence,(a) \: is \: the \: correct \: option}$

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