Question

a^2+b^2=25,and a^3+b^3=91.find a and b

Answer 1

see ur solution is following

Answer 2

do u know what is the formula of a^3 + b^3

Answer 3

do u mean (a+b)(a+b)(a+b)=(a^2=2ab+b^2)(a+b)

Answer 4

no

Answer 5

then i am lost

Answer 6

THE VALUE OF a^3 + b^3 = (a+b)(a^2 - ab + b^2)

Answer 7

a^2 + b^2 = 25

Answer 8

(a+b)(25-ab)

Answer 9

91 = (a+b)(25-ab)

Answer 10

are u understanding

Answer 11

yap following

Answer 12

u must know that 3^2 + 4^2

Answer 13

= 25

Answer 14

put the value of a and b respectively to 3 and 4 in the equation a^3 + b^3 = 91

Answer 15

u will get 27 + 64
that is 91
so a = 3
and b=4

Answer 16

did u understand

Answer 17

if yes than give me medal for this solution thanx

Answer 18

yap.tq sir

Answer 19

give me medal

Answer 20

hey do u knw me if no than how u said me sir

Answer 21

i use to it by calling my teacher "sir".how to give you medal

Answer 22

click on the icon GIVE MEDAL on the right side of the message i m giving u
and also need not say me sir i m in 8th grade and u???????????

Answer 23

bye