Show that the expression (ax-b)*(cx-d)/(bx-a)*(dx-c) can have all the values for real x if (a*a)-(b*b) and (c*c)-(d*d) have the same sign.

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Find the domain of the function f (x) = log3 - log4 6x-4 6x+5 .
 
 
attaching the solution if you mean f(x) = log 3 (log 4 ((6x-4)/(6x+5))) i have already solved that problem ; you can see that Thanks & Regards Sudhir, askIITians Faculty Qualification....
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sudhir pal 5 months ago
 
attaching two answers for this problem since expression of your question is not that clear Thanks & Regards Sudhir, askIITians Faculty Qualification. IIT Delhi
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sudhir pal 5 months ago
 
Thanks and Regards, M.MURALIKRISHNA askIITians faculty
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MuraliKrishna Medavaram 5 months ago
If (1/b+c) +(1/c+a)=(2/a+b) find a^2+b^2 please give the solution.
 
 
Take LCM , (2c+a+b)/(a+c)(b+c) = 2/a+b Cross multiply: a^2 + b^2 + 2ab + 2bc + 2ac = 2bc + 2ab + 2c^2 + 2ac This gives, a^2 + b^2 = 2. c^2 Thanks Bharat Bajaj IIT Delhi askiitians faculty
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bharat bajaj 3 months ago
 
Take LCM , (2c+a+b)/(a+c)(b+c) = 2/a+b Cross multiply: a^2 + b^2 + 2ab + 2bc + 2ac = 2bc + 2ab + 2c^2 + 2ac This gives, a^2 + b^2 = 2. c^2 Thanks Bharat Bajaj askiitians faculty IIT Delhi
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bharat bajaj 3 months ago
 
Take LCM , (2c+a+b)/(a+c)(b+c) = 2/a+b Cross multiply: a^2 + b^2 + 2ab + 2bc + 2ac = 2bc + 2ab + 2c^2 + 2ac This gives, a^2 + b^2 = 2. c^2
 
R1312467 3 months ago
for what values of a and b lim x?8 ((x²+1)÷(x+1))-ax-b =0
 
 
lim x- - = lim x-ax-b if a=1 and b=0 this will be zero , and hence a=1 and b=0 is answer Sher Mohammd, B.tech IIT Delhi
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Sher Mohammad 4 months ago
 
lim x- - = x-ax-b if a=1 and b=0 this will be zero , and hence a=1 and b=0 is answer.
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Sher Mohammad 4 months ago
 
lim x- - = x-ax-b if a=1 and b=0 this will be zero , and hence a=1 and b=0 is answer.
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Sher Mohammad 4 months ago
To prove (1-cosx)/sinx = tan(x/2)
 
 
Ans: …..............(1) Put in (1) Cheers! Thanks & Regards Jitender Singh IIT Delhi askIITians Faculty
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Jitender Singh one month ago
 
1-cosx=2sin^2x/2 sinx=2sinx/2cosx/2 therefore 1-cosx/sinx=tanx/2 thanks and regards sunil kr askIITian faculty
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Sunil Kumar FP one month ago
Show by using LMVT , f(x)=logx that 1-a/b
 
 
Hi Drake, Please write the complete question. What do i need to show by LMVT. Thanks & Regards Jitender Singh IIT Delhi askIITians Faculty
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Jitender Singh 15 days ago
1, 2, 4, 7, 11, 16, 22, 29 ? ?
 
 
1, 2 , 4 , 7 , 11 , 16 , 22 , 29 , 37 , 46 Thanks Bharat Bajaj askiitians faculty IIT Delhi
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bharat bajaj 4 months ago
 
1,2,4,7,11,16,22,29,37,46,56,67,79. Because the series 1+1=2 2+2=4 4+3=7 7+4=11 11+5=16 16+6=22 22+7=29 29+8=37 37+9=46 46+10=56 56+11=67
 
sivakrishna 3 months ago
 
37,46,56,67
 
prince raj 4 months ago
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