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What type of truss is best for distributing a point load at the centre of a bridge? I'm trying to build a balsa bridge and have trouble coming up with truss designs. Thanks for the help :)

SHEEESH thanks a lot ! Yea bruh the answer to 15 is 1, didn't even realise breh

Hi, I have been coming up with a couple of different truss designs like the K-truss and Baltimore truss but I actually don't know which one is the strongest or how I can make my design more efficient? Help would be great! and also can anyone recommend any good bridge testing software...

I've spent a long time trying to solve these few questions, but I still couldn't get them, just 14c and 15. Pls help thanks

Ohh, you just need to compare coefficients of x^2, I got it thanks!

Sorry for posting so many questions, but Binomial is my worst subject, and I really need help with the circled questions. Thanks for da help

damn thanks a lot, you're a lifesaver! Just a quick question, how do we know that tan4θ is 1/√3 ?

Alright, I fixed it thanks for pointing it out

Yea ik but I'm not sure how to rotate, it doesn't give me a button for rotating

I'm not too sure how to do parts a and b for Q8. Can anyone help, thanks !

I see, thanks a lot !

Can anyone help with these 4 questions, I tried expanding and simplifiying the questions but I still couldn't find the answer. Help is appreciated, thnaks!

Would I start to do question 4d cus I have no idea where to start. Apperciate the help!

Ohh, so does it depend on the case and this will be different for other functions ?

for question 8 as x--> ∞ why does y approach 0 and not 1 ? cus if i let x=∞ then I will get ∞/∞ which equals 1 ?

Ohhh, I see bruh I'm so dumb to not have figured this out. Thanks for the help!!

For question 13 the locus is a circle, but I don't know how to find the range of |z| from the graph and get the answer. Help is greatly appreciated !!! Here's the answer for q13

I've done part a, but I am not sure how to use it to get parts b and c. Help would be appreciated, thanks!