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0:03:56
The harmonic mean of two numbers is 4 Their arithmetic mean is A and geometric mean is G stsfy 2A+G2
0:01:47
The A M and H M beteen two numbers are 27 and 12 respectively then G M is
0:09:55
if H1,H2,H3,.... Hn be n harmonic means between a and b then (H1+a)/(H1-a) +(Hn+b)/Hn-b) = ?
0:04:58
if (a-x)/px = (a-y)/qy = (a-z)/rz and p,q,r be in A P then x,y,z are in ? || shahzad sir
0:05:34
if a,b,c are in A.P, p,q,r are in H.P and ap,bq,cr are in gp then p/r+r/p= ?
0:03:18
if x,y,z are in G.P and x+3,y+3,z+3 are in H.P then y=?
0:08:24
if a,b,c, are in h.p and a2,b2,c2 are in h.p then a=b=c
0:03:09
three numbers form h.p the sum of the numbers is 11 and sum of their reciprocals is 1 then
0:06:52
if a1,a2,a3 .....an are in h.p then a1a2+a2a3+... +an 1an=?
0:06:03
If tan−1(x+1/x−1)+tan−1(x−1/x)=tan−1(−7)+π then x =
0:06:44
if sec^ 1x/a- sec^ 1x/b=sec^ 1a-sec^ 1b then x is
0:05:49
if sin^ 1(x)- cos^ 1(x)=sin^ 1(x-1) then x =
0:04:46
If tan−1(3𝑎2𝑥−𝑥3/𝑎3−3𝑎𝑥2)=𝐾tan−1(𝑥/𝑎) then K =
0:03:17
If 3sin−1(2x1+x2)−4cos−1(1−x21+x2)+2tan−1(2x1−x2)=π3, then x is equal to
0:02:32
Number of solutions of the equation 2(sin−1x)2−5sin−1x+2=0
0:12:07
linear equations in one variable most important problems || class 7 shahzad sir
0:10:24
sequance and series important problems || class 11 || shahzad sir
0:23:16
inverse trigonometric functions most important problems || shahzad sir
0:02:13
If 20 is added to four times a certain number, the result is 5 less than five times the number..
0:02:38
Three fourth of a number exceeds its one third by 60. The number is:
0:01:26
If 18 - 3p=6p+9 then the value of p
0:01:33
If 0 3k+2 1=0.4k then the value of k
0:01:08
If 13x+7= -9-3x then the value of x is
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