Pi

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These are questions asked by Pi

i want to plot form 15 to 0 and 5 to 1.....but my plot shows only increasing order..how can i change it?

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if i solved two integral seperately..it solved.. but i can't solve together..what's wrong...please help

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"al_eq:=`D__11`*(∫)[0]^(a)((ⅆ)^2)/((ⅆ)^( )x^2) A*((ⅆ)^2)/((ⅆ)^( )x^2) A ⅆx (∫)[0]^(b)B*B ⅆy;"

Error, invalid product/quotient

"al_eq:=`D__11`*(∫)[0]^a((ⅆ)^2)/((ⅆx)^2) A*((ⅆ)^2)/((ⅆx)^2) A ⅆx (∫)[0]^bB*B ⅆy;"

 

``

B^2*b

(1)

``

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i want to sovle this problem ..but i dont' know how to start..please help me.how to solve this eqution?

how to solve for lamda and r in this equtaions...please help

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with(LinearAlgebra):

solve(cos(lambda[i])*cosh(lambda[i]) = 1);

Warning, solutions may have been lost

 

0

(1)

evalf(%);

0.

(2)

lambda[i];

lambda[i]

(3)

r[i] := (cos(lambda[i])-cosh(lambda[i]))/(sin(lambda[i])-sinh(lambda[i]));

(cos(lambda[i])-cosh(lambda[i]))/(sin(lambda[i])-sinh(lambda[i]))

(4)

``

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guys..i need help ...how to find the answer for this equation..for all value of in and b in (a and b)...for all combination of a and b

problem.mw

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