Question

Calculează : a=√114+(2+4+6+...+226)

Answer 1

a=√114+(2+4+6+...+226)=
=√114+2(1+2+3+...+113)=
=√114+2×113×114/2=
=√114+113×114=
=√114(1+113)=
=√114×114)=114

Answer 2

√114+2•(1+2+3+...+113)
√114+2•113•114:2
√114+113•114
√114•(1+113√114)
√114•114√114
114²
12996

Sper că te am ajutat