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If roots of (x-p)(x-q) = c are a and bwhat will be the roots of (x-a)(x-b) = -c please explain?Ans) (x-p)(x-q)=cx2-(p+q)x-c=0hence, a+b=p+q and a.b=pq-c a.b+c=p.qby solving other eq we getx2-(a+b)x+ab+c=0thus sum of roots=a+b=p+q product of roots=a.b+c=p.qhence its roots are pand q
Expected Value For taking decisions under conditions of uncertainty, the concept of expected value of a random variable is used. The expected value is the mean of a probability
in the form of linear graph interpret the ralationship between two quantities
1. A point P(a,b) becomes (3,c) after reflection in x - axis, and (d,6) after reflection in the origin. Show that a = 3, b = - 6, c = 6, d = 2 2. If the pair of lines ax² + 2pxy
I am student of M.com and also doing practice to crack bank or other competitive exam..please tell me shortcuts
Errors Are Useful : While teaching children, you must have found theft making mistakes off and on. How do you respond to the errors'? What do they tell you about the child-failur
how many times In a 12 hour period will he numbers add up to 6? (hint 3:00 is one answer0
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how solve the inverse matrices using the matlab?
450 students. if there are 50 more boys than girls, how many boys and girls are there?
i do not understand the rules for adding and subtracting integers, nor do i understand how to multiply and divide
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