By what number should (12)−1 multiplied so that the product may equal to (−47)−1 ?
Let x be multiplied,thenx×(12)−1=(−47)−1x=(−47)−1÷(12)−1=(7−4)1÷(21)1=7−4÷2=7−4×12=7−8=−78∴ Required number=−78
By what number should (−15)−1 multiplied so that the product may equal to (−5)−1 ?
By what number should 5−1 be multiplied so that the product may be equal to (−7)−1 ?
By what number should (12)−1 be multiplied so that the product many be equal to (−47)−1 ?