Please Solve this...
11. no. math
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hope this helps you dinesh bro.
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Hi
Question : if x=2 and x=3 are roots of the equation 3-2ax+2b=0,find the values of 'a' and 'b'.
Answer:
roots of the equation implies at that particular value of x the equation is zero.
so there are two steps to solve this question
STEP 1:
substitute x=2 in 3-2ax+2b=0
we get
3(4)-2(a)(2)+2b=0
12-4a+2b=0
6-2a+b=0
=>4a-2b=12------------------------------------------>1
STEP 2:
substitute x=3 in 3-2ax+2b=0
we get
3(9)-2(a)(3)+2b=0
27-6a+2b=0
=>6a-2b=27----------------------------------->2
solve for 'a' and 'b'
we get b=9 a=15/2
Have a great day !!!!iii
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