Question

Frame algebraic expression
The sum of two consecutive no. Is 31​

Answer 1

Step-by-step explanation:

one number = x-------(1)

consecutive number = x +1-----(2)

x + x+ 1 = 31

2x = 30

x = 15

putting x=15 in equation (2)

we get

x+1

here x=15

[15+1=16]

so the consecutive number is 16

∴numbers= 15, 16

difference in squares = 16^2 - 15^2

= 256 - 225

= 31

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