25 Replies
@Apu
Note for OP
+solved @user1 @user2... to close the thread when your doubt is solved. Mention the users who helped you solve the doubt. This will be added to their stats.This is wht i tried Que 1
which q
The 1st one
oh ok will try and tell bhai.
Also if u could check the 2nd one im getting-13 but it is given as -19
Im a beginner too, im not really good at vectors but sure Ill try my best
1st one ans is cos 90? 1st sub
is the answer 4/5 if yes then i will explain or else i will go try again
ur prob right
nah bro
Yes it is pls explain
never knew this was in maths-
you hve a long way to go bro😭💀
im in 11th so yea, ill catch up bye. atb
ok. treat the 2 equations like linear equations in 2 variables get p and q find the slope of them and use angle b/w straight lines formula
try it if you dont get it i will share the solution
uhh i get it could you pls tell whts the mistake in my soln? I also got p and q and then i used the dot product formula
here
💀 i donot know how to find it with dot product i just used straight lines concept
🗿 uh okay its fine
The mod of p + q will be 2/3
It wont be its square?
root of square
p+q = 2/3i
√|p+q|² = 2/3
Square root cancel
|P+Q|=2/3
@Real potato we good?
Yeah
+solved @¹¹⁷sos
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