If (x+a)(x+b)=x²+4x+3 ,then find the values of a and b.
Attachments:
Answers
Answered by
1
a=1,b=3......................
knowledgestandchanne:
how
because last number is 3 and second 3+1=4 so..
exam ke liya process chahia
(x+a)(x+b)=x^2+ax+bx+ab=x^2+4x+3 compaire both sides
x^2-x^2=0. ax+bx=4x, ab=3
Answered by
3
a and b , are 1 and 3 or 3 and 1 resp.
by comparing the two eq.
kar liya
plz tell me
i mark you as brilliant
when u open the bracket on LHS , and compare the coff. then u will 2 eq.
a+b = 4 and. a×b = 3 , on solving we get the answer
ok, now mark , i will help u later also
plz solve
a+b=4 and a×b=3 solve it
put b = 4-a , in 2nd eq
now mark
Similar questions