Question

If the area of the triangle formed by the lines x=0, y=0,3x+4y+a=0 sq.units,then find the value of 'a'.​

Answer 1

Step-by-step explanation:

x= ɪs ʏ ᴀxɪs, ᴀɴᴅ ʏ= ɪs x ᴀxɪs.

x+ʏ=ᴀ⇒xᴀ+ʏᴀ=

ᴛʜɪs ɪs ɪɴᴛᴇʀᴄᴇᴘᴛ ғᴏʀᴍ, ᴡɪᴛʜ x ɪɴᴛᴇʀᴄᴇᴘᴛ ᴀ ᴀɴᴅ ʏ ɪɴᴛᴇʀᴄᴇᴘᴛ ᴀ

ᴀʀᴇᴀ =×ᴀ×ᴀ=ᴀ=⇒ᴀ=

⇒ᴀ=±