1.

If one zero of the polynomial (x-1) x^2+kx+1 is -then the value of k​

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ANSWER:

ʙy ᴜꜱɪɴɢ ᴛʜᴇ ʀᴇʟᴀᴛɪᴏɴꜱʜɪᴩ ʙᴇᴛᴡᴇᴇɴ ᴛʜᴇ ᴢᴇʀᴏᴇꜱ ᴏꜰ ᴛʜᴇ qᴜᴀᴅʀᴀᴛɪᴄ ᴩᴏʟyɴᴏᴍɪᴀʟ.

ᴡᴇ ʜᴀᴠᴇ 

ꜱᴜᴍ ᴏꜰ ᴢᴇʀᴏᴇꜱ= `(-("ᴄᴏᴇꜰꜰɪᴄɪᴇɴᴛ ᴏꜰ X"))/(("ᴄᴏᴇꜰꜰɪᴄɪᴇɴᴛ ᴏꜰ" x^2))` 

`⇒ 1=-(-3)/ᴋ` 

`⇒ᴋ=3`



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