Question

Astha multiplied two numbers and got –4 as the product. She then subtracted the

second number from the first and got the answer as 5. The two numbers are.

a. 2, –3 b. 1, –4 c. –1, 4 d. 5, –1​

Answer 1

Answer:

the answer is 1

Step-by-step explanation:

Given,

ab=−4

a−b=5

⇒a=b+5

(b+5)b=−4

b^2 +5b+4=0

(b+1)(b+4)=0

∴b=−1,−4

when b=−1,a=4

when b=−4,a=1