ravi bought two tractor for 70000 rs . by selling one at profit of 20% and other at loss of 10%,he found that selling price of both the tractor was coming out to be same. find cost price of each tractor.ifyouaswerthiscorrectlybrainlest
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Answer:
roots.
Art-4. Solution of Complete Quadratic Equation
There are three popular methods of solving a complete quadratic equation
(i) Method of factorisation
(ii) Method of completing the squares
(iii) Formula method.
We discuss these methods one by one.
(i) Method of Factorisation
Example 1. Solve
y
4
−3=
2y+3
5
.
Sol. The given equation is
y
4
−3=
2y+3
5
or 4(2y+3)−3y(2y+3)=5y
or 8y+12−6y
2
−9y−5y=0
or −6y
2
−6y+12=0
or
or
or or (y−1)(y+2)=0y
2
Verified answer
Answer:
answer in given picture