pls Can anyone pls ans this ques. to make a rectangular lawn in front of the school they spent rs. x^4-7^x^2+12 at the rate of x^2-3 per square metre . what is the area of the lawn? what are it's dimensions?? pls ans this ques
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shayan61:
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Area = money spent / rate of cost
= x^4 -7x^2 + 12 / x^2 - 3
= x^2 -4
Dimensions = ( x+2 ) (x - 2 )
= x^4 -7x^2 + 12 / x^2 - 3
= x^2 -4
Dimensions = ( x+2 ) (x - 2 )
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