Please solve 12question
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starock20kamalrock:
its given that x2-1 is a factor matlab jab ham x2-1 ko zero se equate karenge toh hame x ke do value aayenge , waha diya he ki x2-1 factor he matlab jab ham use question me de Gaye expression se divide karenge toh remaindet 0 hoga bcoz its perfectly divisible , toh remainder theorem bolta he ki x2-1 ko 0 se equate karne ke baad joh values aate he agar use hum question vaale expression me rakhenge toh hame remainder ka value aayega joh 0 he ,
toh x ke do values ko expression mein rakh ke 0 se equate karo aur do equation aayenge solve kardo
vaha r remainder nahi maine x ke badle aur ek variable use kiya
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