Question

if a,b,c,d are in G.P then ad-bc=?

Answer 1

is equals to zero.
I hope you get it.

Answer 2

ʜᴇy ᴛʜᴇʀᴇ✌✌
ʜᴇʀᴇ ɪꜱ ᴜʀ ᴀɴꜱᴡᴇʀ ✍✍


♥Sequence = An ordered collection of numbers a1 , a2 , a3 ,............
an......is a sequence.



Now come to ur Question-----

ɢɪᴠᴇɴ ----
ᴀ,ʙ,ᴄ,ᴅ ᴀʀᴇ ɪɴ ᴀ ɢ.ᴩ.

ꜰɪɴᴅ ---
ᴀᴅ - ʙᴄ = ???


ʟᴇᴛꜱ ꜱᴜᴩᴩᴏꜱᴇ ᴛʜᴇ ɢ.ᴩ. --
2,4,8,16

ᴀᴅ -ʙᴄ = ???
= 16 (2) - 4(8)
= 32 -32
= 0

ꜱᴏ ,
ᴀᴅ - ʙᴄ = 0


ʜᴏᴩᴇ ɪᴛ ʜᴇʟᴩꜱ ᴜ ☺☺
ꜰᴇᴇʟ ꜰʀᴇᴇ ᴛᴏ ᴀꜱᴋ ᴀɴy qᴜᴇʀy ❤❤