Piecewise function mein joining point par continuity check karne ke liye, pehle left hand limit (x → a⁻) aur right hand limit (x → a⁺) alag-alag nikalo. Agar dono limits equal hain, aur unka value function ki us point par actual value f(a) ke barabar hai, toh function continuous hoga. Simple hai!
Yeh limit ka concept mere paani ke motor ki tariff jaise hai — ek taraf minimum charge, dusri taraf extra unit ka rate, joining point par bill ache se match hona chahiye warna discontinuity aati hai! Main yeh sab JEE Advanced ki taiyari ke waqt padh raha hoon, kyunki mere liye engineering seat paana hi mere family ki financial tension kam karne ka ek solid rasta hai.
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