Question

if 4 is not a root of quadratic equation X square + 2 X + K is equal to zero then find the value of k​

Answer 1

ᴀɴsᴡᴇʀ-:

ᴛʜᴇ ᴘʀᴏᴄᴇss ᴛʜʀᴏᴜɢʜ ᴡʜɪᴄʜ ɢʀᴇᴇɴ ᴘʟᴀɴᴛs ᴘʀᴇᴘᴀʀᴇ ғᴏᴏᴅ ᴜsɪɴɢ-:

$\blue\implies$ ᴄᴀʀʙᴏɴ-ᴅɪᴏxɪᴅᴇ

$\blue\implies$ ᴡᴀᴛᴇʀ

$\blue\implies$ ᴄʜʟᴏʀᴏᴘʜʏʟʟ

$\blue\implies$ ᴏxʏɢᴇɴ

$\blue\implies$ sᴜɴʟɪɢʜᴛ

ᴇǫᴜᴀᴛɪᴏɴ-:

${\boxed{\sf{\blue{6CO_2~\pink+6H_2~O\pink+light\pink\longrightarrow C_6~H_1~_2~O_6\pink+O_2}}}}$