math geniuses come (calc 3)

#1

Hekistan

Find the surface area of the paraboloid x^2 + y^2 - z = 0 below the plane z = 15/4

I randomly guessed and got it right, it was 21pi/2 , someone explain pls

#2

fatpoipoiiii

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i dont even know the meaning of "paraboloid" sad

#3

balls

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the answer is 4

#4

Not_alt_account

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What is mean of ^ symbol

#5

Hekistan

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exponent

#6

fatpoipoiiii

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x^2 meaning x multiply x. 2^2 are 4

#7

Daniveus

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i can post photo if u want

#8

Hekistan

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yes please :)

#11

Daniveus

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https://imgur.com/a/RgcSlfJ
kind of did everything upside down.
also if u don't know the basics, you will not get it
P.s: I did the integral but still put the integral symbol by mistake in the "second line" and f'(y) is 2y... I am know for this kind of mistakes at uni

#12

Hekistan

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ily this makes much more sense

#9

shrado

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I sent you my workings, check dm's

#10

Hekistan

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sorry, but I do not see anything in my inbox

#13

tRONGOD

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He meant your whatsapp's DM