भारत के संविधान पर अंतिम हस्ताक्षर हुए :
(अ) दिसंबर, 1946 ई० में
(ब) नवंबर, 1949 ई० में
(स) अगस्त, 1947 ई० में
(द) 26 जनवरी, 1950 ई० में।
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भारत के संविधान पर अंतिम हस्ताक्षर हुए :
(अ) दिसंबर, 1946 ई० में
(ब) नवंबर, 1949 ई० में
(स) अगस्त, 1947 ई० में
(द) 26 जनवरी, 1950 ई० में।
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Answer:
For what values of k are the points (8,1) , (3,-2k) and (k,-5) collinear ?In this reaction the decomposition of potassium chlorate takes place. Since it is taking place in the presence of heat so it is thermal decomposition. Potassium chloride and oxygen gas are formed as a product. - So, this is thermal decomposition reactionLet A(x1=8,y1=1),B(x2=3,y2=−2k) & C(x3=k,y3=−5)
be the given point
The given points are collinear if
x1(y2−y3)+x2(y3−y1)+x3(y1−y2)=0
on puting values we get
8(−2k+5)+3(−5−1)+k(1+2k)=0
−16k+40−18+k+2k2=0
2x2−15x+22=0
2k2−4k−11k+22=0
2k(k−2)−11(k−2)=0
(2k−11)(k−2)=0
k=2
Answer:
26 january 1950
option d