Question

if roots of x^2-5x+a are equal ,then a

Answer 1

D = 0 for equal roots

25-4a =0

a=25/4

Answer 2

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ɪꜰ ᴛʜᴇ ʀᴏᴏᴛꜱ ᴏꜰ ᴛʜᴇ ᴇqᴜᴀᴛɪᴏɴ ɪꜱ ᴇqᴜᴇʟ
ᴛʜᴇɴ ɪᴛꜱ ᴅɪꜱᴄʀɪᴍɪɴᴀɴᴛ ᴍᴜꜱᴛ ʙᴇ ᴢᴇʀᴏ
ᴅ=»ʙ²-4ᴀᴄ=0
=»25-4×1×ᴀ=0
=»25-4ᴀ=0
=»25=4ᴀ
=»25/4=ᴀ
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