The integer whose product with -1 is -40 is
a) 20
b) -20
c) -40
d) 40
Answers
Answered by
12
Answer:
d) 40
Explanation:
Answered by
11
Answer : 40
Step by step solution :
Let the integer be x so according to the given question we get ,
=> x × - 1 = - 40
=> - x = - 40
=> x =
=> x = 40
The question is solved using contradiction method
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