Question

the equation form of the sum of squares of two consecutive natural numbers is 313 isdewthe fairiesofarea7)((x➕ 9) then the roots is
a) 7,-9
b) 7,9
c) 16,9
d) 9,16​

Answer 1

Answer:

x

2

+(x+1)

2

=313

x

2

+x

2

+2x+1=313

2x

2

+2x−312=0

x

2

+x−156=0

(x−12)(x+13)=0

x=12,x=−13