Question
The sum of a positive number 'A' and its square is 240.
Find the value of (A2Â - 7A).Solution
ATQ; A + A2Â = 240 Or, A2Â + A - 240 = 0 Or, A2Â + 16A - 15A - 240 = 0 Or, (A + 16)(A - 15) = 0 So, A = 15 or A = -16 Since, 'A' is positive. So, required value = 152Â - 15 X 7 = 225 - 105 = 120
………………… consists of construction of series of platforms along contours cut into hill slope in a step like formation. These platforms are s...
Cadang-Cadang disease of coconut is caused by
Experiment that unambiguously demonstrated that DNA is the genetic material was conducted by:
What type of education is characterized as incidental, spontaneous, and lifelong?
Where is the ICAR-Central Institute for Arid Horticulture located?
The Beaufort scale is for describingÂ
When to irrigate wheat after sowing if only one irrigation water is available:Â
Halna is a variety of:
Amrapali is a cross of-
Which soil type promotes higher incidence of Black Scurf in Potato?