0
ans
1
cmts
Si f(x)=β«^( x) _( 0) (dt/(t+e^(βf(t)) ))
De^ terminer f(x)
1
ans
6
cmts
Question 228870
0
ans
5
cmts
Question 228804
2
ans
1
cmts
Question 228761
0
ans
0
cmts
(64β(8Ο+4Ο))β(8Οβ(4(tan^(β1) 2+4tan^(β1) (1/2)β2)+8(Οβ2)))β(64β(16Ο+8Οβ16(tan^(β1) 2+4tan^(β1) (1/2)β2)))β(3.2+2+(32tan^(β1) ((4.8)/(6.4))β32sin tan^(β1) ((4.8)/(6.4)))βΟ)+4(tan^(β1) 2+4tan^(β1) (1/2)β2)
2
ans
0
cmts
x^(log 2x) = 5 βx= ?
1
ans
0
cmts
log _8 [log _2 {log _3 (4^x +17)}]=(1/3)
x=??
2
ans
0
cmts
If x=log _a bc , y=log _b ca , z=log _c ab
prove that x+y+z=xyzβ2
1
ans
0
cmts
If ((log x)/(yβz))=((log y)/(zβx))=((log z)/(xβy))
prove xyz=1
0
ans
0
cmts
Question 222929
0
ans
1
cmts
x^x^y =9^(xy)
x+y=1
1
ans
0
cmts
Question 222697
2
ans
0
cmts
If x=Ξ _(x=1) ^(10) x then (1/(log _2 x))+(1/(log _3 x))+(1/(log _4 x))...+(1/(log _(10) x))=??
2
ans
0
cmts
log _4 x β log _x^2 8 = 1
x =?
0
ans
5
cmts
x(β(1+x^2 ))+log(x+(β(1+x^2 )))=12.5
find x^2 (answer should not be in decimal)
1
ans
0
cmts
If log _(10) 7=a ,then log _(10) ((1/(70)))=?
1
ans
0
cmts
if a^(3βx) .b^(5x) =a^(5+x) .b^(3x) then show that
xlog ((b/a))=log a
2
ans
3
cmts
find x where
log _8 xβlog _4 xβlog _2 x=11
1
ans
0
cmts
Question 221760
0
ans
1
cmts
Question 221397
0
ans
0
cmts
Prove : βxβIR, βnβIN^β
β«^( (Ο/2)) _( 0) ch(2xt)cos^(2n) (t) dt β€ e^(x^2 /n) β«^( (Ο/2)) _( 0) cos^(2n) (t) dt
2
ans
0
cmts
Evaluate:
(4^(log_(5/4) 4) /5^(log_(5/4) 5) )
Show workings please.
3
ans
0
cmts
Question 217691
1
ans
0
cmts
E_n = 3^E_(nβ1) , nβ₯2
find the unit digit of E_(1000)
2
ans
2
cmts
log _(24) 3= a and log _(24) 6 = (b/6)
log _(β8) (bβ4a)= ?
1
ans
0
cmts
log _2 x + log _3 (x+1) = 5
x = ?
3
ans
0
cmts
Question 213923
0
ans
0
cmts
{ ((x=2+ log _2 log _2 y)),((y=2 log _2 z )),((z=2+ log _2 log _2 x )) :}
1
ans
1
cmts
The numbers of pairs of natural
numbers (x,y) with x,y β€ 33 that
satisfy 5 β£ 3^x^(yβ1) + 2^y^(2x) is ...
(A) 295 (B) 296 (C) 297 (D) 298 (E) 299
0
ans
0
cmts
Question 212101
1
ans
0
cmts
ax^2 +bx+c=0 has roots Ξ± and Ξ²
and (α/β)=(λ/μ). show that λμb^2 = ac(λ+μ)^2
2
ans
0
cmts
((10^(log _3 (6)) . 15^(log _3 ((2/3))) )/(6^(log _3 ((2/3))) . 5^(log _3 ((4/3))) )) =?
0
ans
0
cmts
Question 208503
2
ans
0
cmts
Question 208412
2
ans
0
cmts
{ (( _ (a) = )),(( _ (b)= )) :}
_ (c) =?
1
ans
0
cmts
Question 208322
1
ans
0
cmts
log _(10) (x^3 +x) = log _2 (x)
2
ans
0
cmts
β«_([0,β]) ((1/x))^(ln(x)) dx
1
ans
0
cmts
log_2 4
1
ans
0
cmts
Question 205496
1
ans
0
cmts
x^2 log_3 x^2 β(2x^2 +3)log_9 (2x+3)=3log_3 ((x/(2x+3)))
1
ans
0
cmts
Question 204174
0
ans
4
cmts
valeur x?
(β‘ECA =90)
1
ans
0
cmts
If log_(12) 18 = A and log_(24) 54 = B then prove
that AB + 5(A β B) = 1.
0
ans
0
cmts
Question 202128
3
ans
0
cmts
Question 200224
1
ans
0
cmts
Question 199956
1
ans
0
cmts
Question 199801
1
ans
1
cmts
log _4 (5^x β3^x ) = log _5 (4^x +3^(x ) )
2
ans
0
cmts
solve for x log100+log(2+x)=10
