Question
Download Solution PDFयदि फलन sgn(ln(sinx)) = 0 है, तो x का मान ज्ञात कीजिए।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसंकल्पना:
f का डोमेन = f की सीमा = {1, 0, – 1}
चिन्ह फलन के आलेख को नीचे देखा जा सकता है -
गणना:
दिया गया फलन sgn(ln(sinx)) = 0 है।
चूँकि हम जानते हैं कि चिन्ह फलन 0 केवल तब होता है जब x = 0 है।
∴ ln (sinx) = 0
∴ sin (x) = 1
⇒
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