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S1. The area bounded by the curves y=x^2-3 and y=kx+2 is the least,if k=0.
S2:The area bounded by the curves y=x^2-3 and y=kx+2 is (k^2+20)^1/2.
a. is true;s2 is a correct explanation for S1.
b.S1 is true ;S2 is not a correct explanation for S1.
c.S1 is true,S2 is false
d.S1 is false,S2 is true
The answer is : c.)S1 is true,S2 is false
The area bounded by the curves y=x2- 3 and y=2( for k=0 in y=kx+2) is
2*integral of (y+3)1/2dy; limits from -3 to 2
area is 20*51/2/3
so for K=0 putting k=0 in S2 the area bounded does not come the same from formula (k^2+20)1/2 as in S2
So S1 is true,S2 is false
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