I. 30x2+36x+6=0; II. 30y2+11y+1=0
30x2+36x+6=0
30x2+30x+6x+6=0
30x(x+1)+6(x+1)=0
(x+1)(30x+6)=0
x=-1, -1/5
II.
30y2+11y+1=0
30y2+6y+5y+1=0
6y(5y+1)+1(5y+1)=0
(5y+1)(6y+1)=0
y=-1/5,-1/6
∴x ≤ y
I. 4x2-11x-15=0 II. 8Y2-2Y-6=0
I. 6x2- 14x+8=0; II. 3y2-13y+12=0
100 kg rice is sold partially at 10% profit. Remaining is sold at 20% profit. If the total profit on this selling is 12%, then what quantity of rice he sold at 20%
In a library 40% books are in English. Out of 40% of the remaining books are in Hindi and the remaining books are in Oriya. If 4800 books are in Hindi, then what is the total number of books on library
5 മണി 15 മിനിറ്റ്കാണിക്കുന്ന ക്ലോക്കിലെ മിനിറ്റ്സൂചിയും മണിക്കൂർസൂചിയും തമ്മിലുള്ള കോണളവ്എത്രയാണ്?